1. Institute of Polymer Science; Johannes Kepler University Linz; Altenbergerstraße 69 4040 Linz Austria
2. Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry; Johannes Kepler University Linz; Altenbergerstraße 69 4040 Linz Austria
3. Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry; Silesian University of Technology; 9 Marcina Strzody street 44-100 Gliwice Poland
4. Czech Metrology Institute; Okruzni 31 638 00 Brno Czech Republic
5. Center of Polymer and Carbon Materials; Polish Academy of Sciences; 34M. Curie-Sklodowskiej street 41-819 Zabrze Poland
6. Department of Physics and Solid State Institute; Technion-Israel Institute of Technology; Technion City 32000 Haifa Israel